WIN-TER

Oil // district 9 // lease#13520

op: SUMMIT PETROLEUM LLC

cum_oil

213k BBL

cum_gas

0 MCF

wells

1

production

1993-09 — 2015-09

peak_month

1994-01

-- production_history

cum_oil: 212,881 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,107 BBL/mo

Di (annual)

34.1%

b-factor

0.6

EUR

218,858 BBL

R-squared

0.824

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TERRA RESOURCES, INC.510,2002015-05-19
EOF // data source: Texas Railroad Commission // 2026